sunflower

noun

1. Any plant of the genus Helianthus, so called probably from the form and color of its floral head, having the form of a large disk surrounded by yellow ray flowers.

   “The flowers glowed red and golden: snapdragons and sunflowers, and nasturtians trailing all over the turf walls and peeping in at the round windows.”

   “The low-beamed Bell Inn, believed to date from 1520, is locally renowned for its garden where giant sunflowers grow. In 1978, one reached the spectacular height of 23 ft 6 in.”

2. Any plant of the genus Helianthus, so called probably from the form and color of its floral head, having the form of a large disk surrounded by yellow ray flowers.
3. A bright yellow, like that of the flower petals.
4. (informal)Any flat, radially symmetric organic compound, such as coronene.
5. Synonym of worm-star.
6. (UK)An Automatic Warning System (AWS) indicator in the driver's cab that is displayed after a driver has acknowledged an audible warning, which consists of a yellow circle enclosing a white circle, with black spokes overlaid.

name

1. (slang)The ship of characters Sunny and Basil from the videogame Omori.